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Fix: SqlException: Cannot open database "FriendsGroupDB" requested by the login. The login failed.

An Error Occurred While Processing Your Request FIXED

SqlException: Cannot insert the value NULL into column 'Email', table Microsoft.Data.SqlClient.SqlC

MVC Error An unhandled exception occurred while processing the request InvalidOperationException

Unable to track an entity of type 'IdentityUser' because its primary key property 'Id' is null.

Microsoft.AspNetCore.Identity.UserManager(TUser).IsInRoleAsync(TUser user, string role)

An unhandled exception occurred while processing the request.

In local Azure SQL Database works, but Database not works when i deploy ASP.NET MVC web app to azure

How to solve The request matched multiple endpoints. Matches | ASP.MVC Core 7.0 | 2023 | CodeWithJoy

Error An error occurred while processing your request। চালান ডাউনলোড করুন ভিন্ন উপায়ে।

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Unable to resolve service for type 'Microsoft.AspNetCore.Identity.RoleManager`

An unhandled exception occurred while processing the request in .net core NLayer architecture

Fix: An unhandled exception occurred while processing the request | Rotativa | ASP.NET CORE

The model item passed into the ViewDataDictionary is of type 'f__AnonymousType0`1[System.Int32]', b

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Unable to resolve service for type 'firsttolast.Models.IEmployeeRepojary' while attempting to acti

NullReferenceException: Object reference not set to an instance of an object.AspNetCore.Views_Stu.

There is already an open DataReader associated with this Connection which must be closed first